EN60318-1:2012 is a technical standard that specifies the performance requirements and calibration methods for ear simulators used in the measurement of headphones and earphones. It was developed by the International Electrotechnical Commission (IEC) to ensure accurate and reliable testing of these audio devices.
Performance Requirements
The standard outlines various performance requirements that an ear simulator must meet in order to provide accurate measurements. These requirements include the electrical and acoustical characteristics of the device, such as its frequency response, microphone sensitivity, and the shape of the artificial ear canal.
Additionally, the standard specifies the procedures for calibrating and verifying the performance of the ear simulator. This ensures that the measurements taken with different ear simulators are consistent and comparable.
Calibration Methods
The calibration of ear simulators involves assessing their performance against known reference microphones and acoustic couplers. This process ensures that the ear simulator accurately represents the human ear and provides reliable measurements.
The standard provides detailed guidelines on the calibration procedures, including the use of reference instruments and the calculation of calibration factors. These factors allow for adjustments to be made to the measured values, compensating for any variations or errors present in the ear simulator.
Importance of EN60318-1:2012
EN60318-1:2012 plays a crucial role in the audio industry as it ensures standardized testing and evaluation of headphones and earphones. By adhering to this standard, manufacturers can produce products that meet certain performance criteria and provide accurate sound reproduction for consumers.
Consumers also benefit from this standard as it allows for fair comparison between different headphone models. Knowing that products have been tested using the same criteria and methods provides confidence in making purchasing decisions.
In conclusion, EN60318-1:2012 is a technical standard that sets the requirements and calibration methods for ear simulators used in headphone and earphone testing. Its aim is to ensure accurate and reliable measurements, providing consistency and comparability between different devices. Adherence to this standard benefits both manufacturers and consumers by ensuring quality and facilitating fair comparison.+
Nina She